"Ali, Parveen Arif" <br/><br/>
Save our Earth 

 -  ,[London] : Wayland, 2007, c2005.,Oxford University Press  2004 
 - 70 
<br/><br/><label>ISBN: </label>9780195798722 
<br/><br/><label>Dewey Class. No.: </label>300  / 1226